Các câu hỏi tương tự
Tinh \(\left\{18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0,38\right)\right\}:\left(19-2\frac{2}{3}.4\frac{3}{4}\right)\)
TÍnh:
\(\hept{\begin{cases}\\\end{cases}18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0,38\right)}]:(19-2\frac{2}{3}.4\frac{3}{4})\)
So sánh:
\(5^{255}\)và \(2^{579}\)
\([18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0,38\right)]:\left(19-2\frac{2}{3}.4\frac{3}{4}\right)\)
HAPPY NEW YEAR
Thực hiện phép tính:
a) \(\left(\frac{1}{\sqrt{625}}+\frac{1}{5}+1\right)\) : \(\left(\frac{1}{25}-\frac{1}{\sqrt{25}}-1\right)\)
b) \(\left[18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0,38\right)\right]\): \(\left(19-2\frac{2}{3}.4\frac{3}{4}\right)\)
Tính Giá Trị Của Biểu Thức
\(\left[18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0.38\right)\right]:\left[16-2\frac{2}{3}.4\frac{3}{4}\right]\)
Tính giá trị biểu thức:
\(\left[18\frac{1}{6}-\left(0,06:7\frac{1}{2}+3\frac{2}{5}.0,85\right)\right]\) \(:\left(16-2\frac{2}{3}:4\frac{3}{4}\right)\)
\([18\frac{1}{6}-\left(0.06:7\frac{1}{2}+3\frac{2}{5}.0.38\right)]:\left(19-2\frac{2}{3}.4\frac{3}{4}\right)\)
Giải giúp mk vs nha các bn
Tìm x, biết:a) 60%x + 0,4x + x :3 2 b)1-left(5frac{3}{8}+x-7frac{5}{24}right):left(-16frac{2}{3}right)c)3frac{1}{4}x-frac{7}{6}xfrac{-5}{12}+1frac{2}{3}Bài 2: Tính:a) A frac{-45.58-45.42}{2+4+6+...+16+18}b)1-2-3+4+5-6-7+...+601-602-603+604b) frac{left(140frac{3}{7}-138frac{5}{12}right):18frac{1}{6}}{0,002}Bài 3: Cho A và B, biết:Afrac{2^{19}.27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}} và B frac{4}{35}+frac{4}{63}+frac{4}{99}+frac{4}{143}+frac{4}{195}Hãy so sánh A & B
Đọc tiếp
Tìm x, biết:
a) 60%x + 0,4x + x :3 =2
b)1-\(\left(5\frac{3}{8}+x-7\frac{5}{24}\right):\left(-16\frac{2}{3}\right)\)
c)\(3\frac{1}{4}x-\frac{7}{6}x=\frac{-5}{12}+1\frac{2}{3}\)
Bài 2: Tính:
a) A= \(\frac{-45.58-45.42}{2+4+6+...+16+18}\)
b)1-2-3+4+5-6-7+...+601-602-603+604
b) \(\frac{\left(140\frac{3}{7}-138\frac{5}{12}\right):18\frac{1}{6}}{0,002}\)
Bài 3: Cho A và B, biết:
A=\(\frac{2^{19}.27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}}\) và B= \(\frac{4}{35}+\frac{4}{63}+\frac{4}{99}+\frac{4}{143}+\frac{4}{195}\)
Hãy so sánh A & B
Tính giá trị biểu thức1.Afrac{1}{5}+frac{3}{17}-frac{4}{3}+left(frac{4}{5}-frac{3}{17}+frac{1}{3}right)-frac{1}{7}+left[frac{-14}{30}right]2.Bleft(frac{5}{8}-frac{4}{12}+frac{3}{2}right)-left(frac{5}{8}+frac{9}{13}right)-left[frac{-3}{2}right]+frac{7}{-15}3.Cfrac{5}{18}+frac{8}{19}-frac{7}{21}+left(frac{-10}{36}+frac{11}{19}+frac{1}{3}right)-frac{5}{8}4.Dfrac{1}{9}-left[frac{-5}{23}right]-left(frac{-5}{23}+frac{1}{9}+frac{25}{7}right)+frac{50}{14}-frac{7}{30}5.Efrac{1}{13}+left(frac{-5}{18}-frac...
Đọc tiếp
Tính giá trị biểu thức
\(1.A=\frac{1}{5}+\frac{3}{17}-\frac{4}{3}+\left(\frac{4}{5}-\frac{3}{17}+\frac{1}{3}\right)-\frac{1}{7}+\left[\frac{-14}{30}\right]\)
\(2.B=\left(\frac{5}{8}-\frac{4}{12}+\frac{3}{2}\right)-\left(\frac{5}{8}+\frac{9}{13}\right)-\left[\frac{-3}{2}\right]+\frac{7}{-15}\)
\(3.C=\frac{5}{18}+\frac{8}{19}-\frac{7}{21}+\left(\frac{-10}{36}+\frac{11}{19}+\frac{1}{3}\right)-\frac{5}{8}\)
\(4.D=\frac{1}{9}-\left[\frac{-5}{23}\right]-\left(\frac{-5}{23}+\frac{1}{9}+\frac{25}{7}\right)+\frac{50}{14}-\frac{7}{30}\)
\(5.E=\frac{1}{13}+\left(\frac{-5}{18}-\frac{1}{13}+\frac{12}{17}\right)+\left(\frac{12}{17}+\frac{5}{18}+\frac{7}{5}\right)\)
\(6.F=\frac{15}{14}-\left(\frac{17}{23}-\frac{80}{87}+\frac{5}{4}\right)+\left(\frac{12}{17}-\frac{15}{14}+\frac{1}{4}\right)\)
\(7.G=\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}\)
\(8.H=\frac{4}{15}-\frac{23}{28}-\left(\frac{-23}{28}+\frac{-11}{15}-\frac{29}{27}\right)-\frac{2}{27}\)
\(9.K=\frac{1}{16}-\frac{5}{21}+\left(\frac{-1}{16}+\frac{-3}{5}-\frac{-5}{21}\right)+\frac{-2}{5}+\frac{3}{4}\)
\(10.L=\frac{7}{12}+\frac{15}{14}-\left(\frac{14}{22}+\frac{-1}{14}+\frac{5}{21}\right)-\frac{-5}{21}+\frac{3}{5}\)